<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>
    <%= htmlWebpackPlugin.options.title %>
  </title>
  <style>
    .wrap {border: 1px solid #ccc;}
  </style>
</head>

<body>
  <div id="app">
    <button id="btn">doPatch</button>
    <hr>
  </div>
</body>

</html>